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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06539406635636109 | 3.6976e-07 | |
| a | 2.56430208949361 | 4.6142e-08 | au |
| q | 2.39661194849551 | 9.3717e-07 | au |
| i | 14.55011683980942 | 1.3885e-05 | deg |
| node | 6.024514553630703 | 2.6815e-05 | deg |
| peri | 176.4309605748132 | 7.897e-05 | deg |
| M | 125.9243170978301 | 8.5882e-05 | deg |
| tp | 2458475.862524233750
(2018-Dec-23.36252423) | 0.0003591 | TDB |
| period | 1499.865122390285
4.11 | 4.0482e-05
1.108e-07 | d
yr |
| n | .2400215823582056 | 6.4783e-09 | deg/d |
| Q | 2.731992230491711 | 4.9159e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.9 |
|
n/a |
MPO472625 |
|
|
| 470673 (2008 SM209) Discovered 2008-Sep-28 by Astronomical Research Observatory at Charleston |
| Reference: | Last Updated: 2016-08-22 |
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